Deutz-Fahr P1052-12: DEF Line Heater 1 - Short Circuit to Battery (High Side)

The DEF line heater 1 has a short circuit to the battery on the high side. This condition may cause improper operation of the DEF line heater or other related components.

1. 1

   DEF line heater 1 wiring

2. 2

   DEF line heater 1 connections

3. 3

   battery voltage presence on the high side of the circuit

1. 1

   Inspect

   Inspect the wiring and connections of the DEF line heater 1 for signs of damage, wear, or improper routing.

2. 2

   Test

   Test the DEF line heater 1 circuit for continuity and resistance using a multimeter, following the service manual procedures.

3. 3

   Isolate

   Isolate the DEF line heater 1 circuit from the rest of the system to determine if the short is localized to this component.